//:C07:Apply.cpp
// Using simple iterator.
#include <iostream>
#include <ostream>
#include <vector>
#include <iterator>
using namespace std;

template<class Cont, class PtrMemFun>
void apply(Cont& c, PtrMemFun f)
{
    typename Cont::iterator it = c.begin();
    while(it != c.end())
    {
        ((*it).*f)();    // Alternate form
        ++it;
    }
}

class Z
{
    int i;
    public:
        Z(int ii) : i(ii){}
        void g() { ++i; }
        friend ostream& operator<<(ostream& os, const Z& z)
        {
            return os << z.i;
        }
};

int main(void)
{
    ostream_iterator<Z> out(cout, " ");
    vector<Z> vz;
    for(int i = 0; i < 10; i++)
    {
        vz.push_back(Z(i));
    }
    copy(vz.begin(), vz.end(), out);
    cout << endl;
    apply(vz, &Z::g);
    copy(vz.begin(), vz.end(), out);
}